56205242 has 4 divisors (see below), whose sum is σ = 84307866. Its totient is φ = 28102620.

The previous prime is 56205181. The next prime is 56205269. The reversal of 56205242 is 24250265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32478601 + 23726641 = 5699^2 + 4871^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14051309 + ... + 14051312.

Almost surely, 2^56205242 is an apocalyptic number.

56205242 is a deficient number, since it is larger than the sum of its proper divisors (28102624).

56205242 is a wasteful number, since it uses less digits than its factorization.

56205242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28102623.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 56205242 is about 7497.0155395330. The cubic root of 56205242 is about 383.0530641118.

The spelling of 56205242 in words is "fifty-six million, two hundred five thousand, two hundred forty-two".